qjs1

Usage

Overview

QuickJS-NG is a small and embeddable JavaScript engine. It aims to support the latest ECMAScript specification.

The qjs executable runs the JavaScript interpreter. It includes a simple standard library and REPL.

Options

-c, --compile

Compile FILE into a standalone executable, bundling the interpreter and the script.

-C, --script

Load FILE as a classic JavaScript script. By default, qjs will try to detect if FILE is a JS script or an ES module.

-d, --dump

Dump memory usage statistics.

-D FLAGS, --dump-flags=FLAGS

Specify debug dump flags. These can also be set through the QJS_DUMP_FLAGS environment variable.

-e EXPR, --eval EXPR

Evaluate EXPR and exit.

-h, --help

Print a help message and exit.

-i, --interactive

Enter interactive mode. This is the default if no FILE is provided.

-I IFILE, --include IFILE

Include an additional file.

--memory-limit N

Limit memory usage to N Kbytes.

-m, --module

Load FILE as an ECMAScript module. By default, qjs will try to detect if FILE is a JS script or an ES module.

--o OUTPUT, --out OUTPUT

Output file name when creating a standalone executable with -c.

--stack-size N

Limit the stack size to N Kbytes.

--std

Make 'std', 'os' and 'bjson' available to the script.

-T, --trace

Trace memory allocation.

-v, --version

Print version string and exit.

-q, --quit

Instantiate the interpreter and immediately exit.